Task 7: Solving with Angle Relationships Use angle addition postulate, angle pair relationships (vertical, linear pair, parallel line pairs) and your knowledge of different types of angles (straight, right, etc) to solve for each missing variable.

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?